The Dichotomy Between Traces on d-sets Г in R^n and the Density of D(R^n\Г) in Function Spaces
The Dichotomy Between Traces on d-sets Г in R^n and the Density of D(R^n\Г) in Function Spaces作者机构:Mathematisches InstitutFakultt fr Mathematik und InformatikFriedrich-Schiller-Universitt JenaD-07737 JenaGermany
出 版 物:《Acta Mathematica Sinica,English Series》 (数学学报(英文版))
年 卷 期:2008年第24卷第4期
页 面:539-554页
核心收录:
学科分类:07[理学] 070104[理学-应用数学] 0701[理学-数学]
主 题:function spaces d-sets fractals traces
摘 要:A space Apq^s (R^n) with A : B or A = F and s ∈R, 0 〈 p, q 〈 ∞ either has a trace in Lp(Г), where Г is a compact d-set in R^n with 0 〈 d 〈 n, or D(R^n/Г) is dense in it. Related dichotomy numbers are introduced and calculated.